Results 11 to 20 of about 2,471 (159)

Variational Derivation of Truncated Timoshenko-Ehrenfest Beam Theory [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
The beam theory allowing for rotary inertia and shear deformation and without the fourth order derivative with respect to time as well as without the slope inertia, as was developed by Elishakoff through the dynamic equilibrium consideration, is derived ...
Maria De Rosa   +2 more
doaj   +1 more source

Free vibration of axially loaded multi-cracked Timoshenko beams

open access: yesMagazine of Civil Engineering, 2020
In this paper, the free vibration of axially-loaded, multi-cracked Timoshenko beams with differing boundary conditions, namely, hinged-hinged, fixed-fixed, fixed-hinged, and fixed-free is studied.
Yousef Al Rjoub, Azhar Hamad
doaj   +1 more source

Influence of Shear Deformation and Rotary Intertia on Nonlinear Free Vibration of a Beam with Pinned Ends

open access: yesJournal of King Saud University: Engineering Sciences, 1998
The method of multiple scales is used to analyze the nonlinear vibrations of a beam with pinned ends. The formulation incorporates the effects of the transverse shear deformation as well as the rotary inertia on the large-amplitude vibration behaviour. A
Mosaad A. Foda
doaj   +1 more source

On the compressed elastic rod with rotary inertia on a viscoelastic

open access: yesBulletin: Classe des sciences mathematiques et natturalles, 2006
We study transversal vibrations of an elastic axially compressed rod on a fractional derivative type of viscoelastic foundation. We assume that the axial force has a constant and a time dependent part given by Dirac distributions. The dynamics of the system is described by a system of two partial differential equations, having integer and fractional ...
B. Stankovic, T.M. Atanackovic
openaire   +2 more sources

Parametric Investigation of Dual-Mass Flywheel Based on Driveline Start-Up Torsional Vibration Control

open access: yesShock and Vibration, 2019
This paper is aimed to investigate the influence of dual-mass flywheel (DMF) kinetic parameters on driveline torsional vibration in engine start-up process, which prescribes the design requirements under start-up condition for DMF matching.
Liupeng He   +4 more
doaj   +1 more source

Improvement of Turbine Inertia Compensation in Wind Turbine Emulators using Kalman Filter [PDF]

open access: yesInternational Journal of Research and Technology in Electrical Industry, 2023
In this paper, a 3.1kW DC motor is used to simulate the static and dynamic behavior of a horizontal axis wind turbine. The effect of the difference between the wind turbine's inertia and DC motor on the dynamic behavior of the system, torque oscillation ...
Mansour Rafiee   +2 more
doaj   +1 more source

Free vibration analysis of rectangular plates with central cutout

open access: yesCogent Engineering, 2016
A nine-node isoparametric plate element in conjunction with first-order shear deformation theory is used for free vibration analysis of rectangular plates with central cutouts.
Kanak Kalita, Salil Haldar
doaj   +1 more source

Position Control of 1-DOF High-Precision Rotary Table using Adaptive Neuro-Fuzzy Inference System (ANFIS) Controller

open access: yesEmitter: International Journal of Engineering Technology, 2019
Research of position control of 1-DOF high-precision rotary table using adaptive Neuro-Fuzzy inference system (ANFIS) controller has been done. In the closed-loop system without a controller, the response was oscillating and pounding caused by inertial ...
Hendri Maja Saputra   +2 more
doaj   +1 more source

Vibrations of Timoshenko beams on two-parameter elastic soil

open access: yesEngineering Transactions, 2014
In this paper the influence of the two-parameter elastic soil on the dynamic behaviour of a beam with variable cross-section is examined, in the presence of conservative axial loads.
N. M. AUCIELLO
doaj   +1 more source

Dynamics of a generally layered composite beam with single delamination based on the shear deformation theory

open access: yesScience and Engineering of Composite Materials, 2015
The free vibration analysis of generally laminated composite beam (LCB) with a delamination is presented using the finite element method (FEM). The effect of material couplings (bending-tension, bending-twist, and tension-twist couplings) with the ...
Jafari-Talookolaei Ramazan-Ali   +3 more
doaj   +1 more source

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